20431768

素因数分解:

$2^3\times 7^1\times {\mathrm{364853}}^1$

素因数の和:364866

約数の個数: 16

約数和(自身を含む): 43782480

約数和(自身を除く): 23350712

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 364853, 729706, 1459412, 2553971, 2918824, 5107942, 10215884, 20431768]

約数ペア:

[(1, 20431768), (2, 10215884), (4, 5107942), (7, 2918824), (8, 2553971), (14, 1459412), (28, 729706), (56, 364853)]